I have SP, which has a cursor iterations. Need to call another SP for
every loop iteration of the cursor. The pseudo code is as follows..
Create proc1 as
Begin
Variable declrations...
declare EffectiveDate_Cursor cursor for
select field1,fld2 from tab1,tab2 where tab1.effectivedate
Here is a subtle question about SQL. I have a one-to-many pair of tables (call them "P"
and "C" for parent and child). For each row of P, there are many rows in C with data,
and I want to sort P on the min(c.data). The basic query is simple:
select p_id, min(data) as m from c group by p_id
Is there any way to create a reverse index on string columns so that
queries of the form:
where column like '%2345';
can use an index and perform as fast as searching with like '2345%'?
Is the only way to create a reverse function and create an index using
the reverse function and modify querie
>This surprises you why?
I don't know anything about how PG stores keys along with their
references to the actual rows but my assumption was that that reference
is some sort of an index into a table that maps the reference to an
actual disk/file address. So even if the row or the page with the ro